Men's Midweight Baselayer Tops

The Rho Heavyweights – our warmest base layer tops – are made for cold days and mixed output. On the move, the Polartec® Power Stretch® Pro stretches for outstanding freedom of movement.

Versatile, comfortable long-sleeve t-shirt in fine merino wool for winter tours.

Designed to keep you warm and comfortable in cold conditions. This stretchy, smooth-faced technical layer for everyday activities is made with a soft 94% recycled polyester fabric and feels like traditional fleece next to the skin.

Phasic™ AR II base layer with wool panels in areas requiring odour resistance.

CORE Dry Active Comfort HZ is a soft and functional half-zip baselayer jersey that makes a great choice for almost any activity, from everyday workouts to alpine skiing, trekking and relaxed après-ski.

The moisture-wicking, breathable Baritone Quarter Zip feature thermo-regulating ActiveTemp™ technology to regulate heat during year-round high-output activities.

Misty mountain hikes, skiing/boarding, days in the snow. This Baselayer top is made with a textured knit for thermal-comfort and first-layer warmth. A level up from our Quest collection, its midweight fabric locks in heat while fighting sweat and odor.

The Men's Classic Thermal Merino Base Layer Colorblock Crew features 100% responsibly sourced Merino wool made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance.

With new patterns, a fresh look, and even more comfort, the Men's Merino 250 Base layers Pattern Crew is being its best self.

Swix Swix Tista Crew Neck Men's Midlayer (Past Season)

The Men's Intraknit™ Merino 200 Colorblock 1/4 Zip proves what’s in the best baselayers: Merino wool. It helps with moisture management, temperature control, and odor resistance.

Meet the better-than-ever Men's Merino 250 Base Layer Crew.

New to our innovative Intraknit™ line is the Men's Intraknit™ Thermal Merino Base Layer 1/4 Zip. This Smartwool® base layer is 3D-mapped for a near-custom fit and freedom of movement. I

Made with the innovative Intraknit™ technology, this men’s baselayer crew is designed with colorblock patterning for a distinctive look.

Your base layer sets the tone for how all of your clothes feel for the day.

CORE Dry Active Comfort LS is a soft and functional long-sleeve jersey that makes a great choice for almost any activity, from everyday workouts to alpine skiing, trekking and relaxed après-ski.